Thanks. Turns out there was a way to fully test the script which is attached: eb89e01bde14d4ca25c778bbb13fb5fa genallsbs.sh.bz2 Looking forward to the new and improved filesystems from you and your filesystem colleagues. Regards, -- Tom -----Original Message----- >From: Theodore Tso <tytso@xxxxxxx> >Sent: Oct 3, 2007 2:44 PM >To: Thomas Watt <tango@xxxxxxxx> >Cc: Andreas Dilger <adilger@xxxxxxxxxxxxx>, ext3-users@xxxxxxxxxx >Subject: Re: How are alternate superblocks repaired? > >On Tue, Oct 02, 2007 at 05:59:11PM -0400, Theodore Tso wrote: >> I'm a bit dubious about how useful simply structure matching would be >> for modern Linux systems, since a large number of errors really are > sorry, I meant to say "filesystems", not "systems" above >> silent bit flips in the data, that wouldn't be detected simply by >> checking the expected structure ID at the beginning of the on-disk >> object. We are planning on adding checksum to metadata for ext4, >> which will help a lot in terms of detected bad metadata. > > - Ted
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